== sanity test 421d: rmfid en masse ====================== 22:25:13 (1788920713)
striped dir -i1 -c2 -H crush  /mnt/lustre/d421d.sanity
 - open/close 714 (time 1788920729.59 total 10.00 last 71.39)
 - open/close 1428 (time 1788920739.59 total 20.01 last 71.36)
 - open/close 2199 (time 1788920749.60 total 30.01 last 77.09)
 - open/close 2809 (time 1788920759.60 total 40.02 last 60.96)
 - open/close 3425 (time 1788920769.61 total 50.02 last 61.57)
total: 4097 open/close in 56.94 seconds: 71.95 ops/second